Ultrasonic Thickness Gauge, Power : Battery operated

We are offering tm8811 ultrasonic thickness gauge.
1. Operating principle: ultrosonic
2. Measuring range(metric/imperial):1.5-200mm,0.06-8inch
3. Materials measured: any hard materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, pvc, gray cast iron, nodular cast iron and other materials
4. Sound velocity: 500-9000m/s
5. Lower limit steel pipes: ñ�15x2.0mm, ñ�20x3.0mm determined by the transducer
6. Calibration block: included
7. Resolution: 0.1mm
8. Accuracy: â±(0.5%n+0.1)
9. Power supply: 4x1.5v aa(um-3)battery
10. Battery indicator: low battery indicator
11. Operating conditions:0-+45�(32�-104�),�90%rh
12. Dimensions: 160x68x32mm
13. Weight: 208g (not including battery)